*{
    padding: 0px;
    margin: 0px;
}
.box{
    width: 1070px;
    height: 622px;
    box-shadow: 0px 0px 25px #ccc;
    margin: 40px auto;
    overflow: hidden;
    background-color: #fff;
    position: relative;
    .img_box{
        transition: all .5s linear;
        width: 853px;
        transform:translateY(0px);
        .img{
            width: 823px;
            height: 592px;
            padding: 15px;
            img{
                width: 100%;
                height: 100%;
            }
        }
    }
    .option_box{
        width: 217px;
        height: 100%;
        position: absolute;
        top: 0px;
        right: 0px;
        .option_img{
            width: 100%;
            height: 100%;
            position: relative;
            .option{
                width: 162px;
                height: 94px;
                padding: 0px 15px;
                padding-top: 16px;
                padding-bottom: 14px;
                opacity: .3;
                img{
                    width: 100%;
                    height: 100%;
                }
            }
            .option.active{
                opacity: 1;
            }
            .arrows{
                position: absolute;
                width: 100%;
                height: 20%;
                top: 0px;
                left: 0px;
                transform: translateY(0px);
                transition:all 0.5s linear;
                .kuang{
                    position: relative;
                    width: 162px;
                    height: 94px;
                    margin-left: 11px;
                    margin-top: 12px;
                    margin-bottom: 14px;
                    border: 4px solid #af5000;
                    span{
                        position: absolute;
                        display: block;
                        top: 40%;
                        left: -24px;
                        border-right: 10px solid #af5000;
                        border-top: 10px solid #af4f0000;
                        border-left: 10px solid #af4f0000;
                        border-bottom: 10px solid #af4f0000;
                    }
                }
            }
        }
    }
}